.all{
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.leader{
  width: 100%;
  height:1rem;
  background: white;
  font-size: 0.5rem;
  text-align: center;
  line-height: 1rem;
  position: absolute;
  z-index: 2;
}
.box{
  width: 100%;
  height:88vh;
  margin-top: 1rem;
  background: #ccc;
  text-align: center;
}
.box .img{
    margin-top:1.5rem;
}
.box p{
    font-size: 0.3rem;
}
.box input{
    width: 1rem;
    height: 0.5rem;
    border: 1px solid #ccc;
}
